The flexible game engine
A simple arcade game for CP/M Plus
Simple vertical scroller game for CP/M written in Forth
a UCI chess engine
OpenGL port of the classic 6dof 3D shooter Descent
Ubuntu-based Linux Gaming OS
DarkForest, the Facebook Go engine
starrydb is game server engine
A simple turn-based artillery game and also a real-time strategy game.
Multi-threaded 2D Renderer licensed under the Mozilla Public License
A simple telnet (and possibly SSH) server
A Simple Game Engine
3D Web UI, Embed Web and Flash in 3D Games, based on WebKit
Megalui: 2D/3D OpenGL & C/C++ Library for Scientific Visualizations
An OpenGL sample application
Very simple remake of tetris
Simple snake game with classic design
A simple platformer game
Simple but fun memory game
Mastermind
Gelide, a configurable frontend for desktops.